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6070 Aluminum vs. R56401 Titanium

6070 aluminum belongs to the aluminum alloys classification, while R56401 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 6070 aluminum and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 5.6 to 8.6
9.1
Fatigue Strength, MPa 95 to 130
480
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 220 to 240
560
Tensile Strength: Ultimate (UTS), MPa 370 to 380
940
Tensile Strength: Yield (Proof), MPa 350
850

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 160
340
Melting Completion (Liquidus), °C 650
1610
Melting Onset (Solidus), °C 570
1560
Specific Heat Capacity, J/kg-K 900
560
Thermal Conductivity, W/m-K 160
7.1
Thermal Expansion, µm/m-K 23
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.3
38
Embodied Energy, MJ/kg 150
610
Embodied Water, L/kg 1170
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 32
83
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 900
3440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 38
59
Strength to Weight: Bending, points 42 to 43
48
Thermal Diffusivity, mm2/s 65
2.9
Thermal Shock Resistance, points 16 to 17
67

Alloy Composition

Aluminum (Al), % 94.6 to 98
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.15 to 0.4
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 0 to 0.5
0 to 0.25
Magnesium (Mg), % 0.5 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 1.0 to 1.7
0
Titanium (Ti), % 0 to 0.15
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0